Q: Is 320,320 a Composite Number?

Why is 320,320 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 320,320 can be evenly divided by 1 2 4 5 7 8 10 11 13 14 16 20 22 26 28 32 35 40 44 52 55 56 64 65 70 77 80 88 91 104 110 112 130 140 143 154 160 176 182 208 220 224 260 280 286 308 320 352 364 385 416 440 448 455 520 560 572 616 704 715 728 770 832 880 910 1,001 1,040 1,120 1,144 1,232 1,430 1,456 1,540 1,760 1,820 2,002 2,080 2,240 2,288 2,464 2,860 2,912 3,080 3,520 3,640 4,004 4,160 4,576 4,928 5,005 5,720 5,824 6,160 7,280 8,008 9,152 10,010 11,440 12,320 14,560 16,016 20,020 22,880 24,640 29,120 32,032 40,040 45,760 64,064 80,080 160,160 and 320,320, with no remainder.

Since 320,320 cannot be divided by just 1 and 320,320, it is a composite number.

More Examples

• All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).